APA (7th ed.) Citation

Shakespeare, W., & Groom, B. (1939). Macbeth. The Clarendon press.

Chicago Style (17th ed.) Citation

Shakespeare, William, and Bernard Groom. Macbeth. Oxford: The Clarendon press, 1939.

MLA (9th ed.) Citation

Shakespeare, William, and Bernard Groom. Macbeth. The Clarendon press, 1939.

Warning: These citations may not always be 100% accurate.